6421354232 has 32 divisors (see below), whose sum is σ = 12461558400. Its totient is φ = 3098385024.

The previous prime is 6421354157. The next prime is 6421354237. The reversal of 6421354232 is 2324531246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421354237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540953 + ... + 552695.

It is an arithmetic number, because the mean of its divisors is an integer number (389423700).

Almost surely, 2^6421354232 is an apocalyptic number.

It is an amenable number.

6421354232 is a deficient number, since it is larger than the sum of its proper divisors (6040204168).

6421354232 is a wasteful number, since it uses less digits than its factorization.

6421354232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135 (or 14131 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 6421354232 is about 80133.3528064314. The cubic root of 6421354232 is about 1858.6981903238.

Adding to 6421354232 its reverse (2324531246), we get a palindrome (8745885478).

The spelling of 6421354232 in words is "six billion, four hundred twenty-one million, three hundred fifty-four thousand, two hundred thirty-two".